Claude vs Tavily: who uses which
Customers, public proof and the companies that use both.
On usedby, 183 companies use Claude and 19 use Tavily. 2 companies use both, including JetBrains and MongoDB. Claude leads among the Artificial Intelligence companies on usedby that use either tool.Latest check Nov 12, 2026: 176 of 202 public lines checked. Counts include every proof level, job-post signals included. A company on both tools counts at any proof level, and a job post on one side is marked as such.
Who uses Claude, Tavily, or both
Every company with a public proof for at least one of the two tools.
181
listed for Claude only
2
companies use both
1 of them is listed through a job post on one side, the weakest proof.
17
listed for Tavily only
On usedby, 181 companies are listed for Claude only, 17 are listed for Tavily only and 2 use both, 1 of them through a job post on one side, out of the 200 companies listed for at least one. An absent listing does not prove non-use.
Where it lands
Recently publicly listed customers
No new public customer listing since tracking started on October 2, 2026.
Who uses both
Companies with a public line on both tools, at any proof level: the strongest proofs come first, and a job post is marked.
| Company | First public proof, Claude |
|---|---|
 JetBrains | On or before Oct 2026 |
 MongoDBjob post for Claude | — |
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use Claude, Tavily or both: a share of the companies on usedby, not of the market.
Listed for Claude onlyBothListed for Tavily only
More common with Claude
- Artificial Intelligence28 of the 30 Artificial Intelligence companies on usedby that use either tool use Claude.
- DevTools & Infrastructure28 of the 29 DevTools & Infrastructure companies on usedby that use either tool use Claude, 1 of them alongside Tavily.
- Fintech & Payments18 of the 19 Fintech & Payments companies on usedby that use either tool use Claude.
Source: every usedby line, from confirmed proofs to job-post signals (the weakest proof level).
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
Vendor facts checked: Claude, 5 of 6; Tavily, 0 of 6. Missing facts remain unverified, not absent features.
Claude
TavilyWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Claude
Cuts the time to complete an agreement 10x, from roughly 10 hours of lawyer work to about one
Spellbook
Vendor case study, claude.com, captured Oct 30, 2026
Gave around 700 people access to Claude Code and Claude Cowork to date
Pictet
Vendor case study, claude.com, captured Oct 30, 2026
Tavily
the number of customers using Ocean's agents grew 1.5x
Ocean
Vendor case study, tavily.com, captured Nov 12, 2026
An estimated 20 hours of scraper work saved each month
Astelia
Vendor case study, tavily.com, captured Nov 12, 2026
Questions about Claude and Tavily
Which is used more, Claude or Tavily?
Claude has more customers on usedby: 183 against 19 for Tavily.
Do companies use both Claude and Tavily?
Yes. 2 companies use both on usedby, including JetBrains and MongoDB.
Who uses Claude?
183 companies on usedby, each with the public page that shows it. See who uses Claude.
Who uses Tavily?
19 companies on usedby, each with the public page that shows it. See who uses Tavily.
How does usedby count customers?
A company counts when a public page shows it: a vendor's customer page, a case study, a press release or a job post, most saved with a dated capture. Every line is a customer, at one of four proof levels: confirmed, declared by the company itself, observed or signal (a job post, the weakest). A company counts as using both tools when it has a line on each, at any level; the list shows the strongest proofs first and marks job posts.